Marshaling Cry is a common Sorcery card from Future Sight (FUT), collector number 13. Current market price: $0.24 (foil $0.40), TCGplayer market prices via Scryfall.
Creatures you control get +1/+1 and gain vigilance until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)